Software maintenance
[计] 软件维护
🧩 词语组成解析
🗣️ 情景例句
Let's go for lunch. I'm buying.
去吃午饭吧， 我请客。
Did you give it to him yourself?
你自己亲自交给他吗？
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。